tinba | c42f49550b768d4ea206b87155f516fdd0690b889fb63fee2ea3772adbdffb18

Analysis

max time kernel
110s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-12-2024 10:59

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General

Target

c42f49550b768d4ea206b87155f516fdd0690b889fb63fee2ea3772adbdffb18.exe
Size

160KB
MD5

0616f8e3baf073dd7859914536344049
SHA1

86826339a495c12c267761f4991eae5ae946fa61
SHA256

c42f49550b768d4ea206b87155f516fdd0690b889fb63fee2ea3772adbdffb18
SHA512

e10c2fd3633b97ab0e928c87f9a4be773f168bf79f09e9fc53f17e3720ab98cf305ce7981ecba6e493c55df87692a6b32d800db4a38fcf92eab240b5df5f442f
SSDEEP

1536:gEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xphM:TY+4MiIkLZJNAQ9J6v+

Score

10^/10

tinba banker discovery persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba
Tinba family
tinba

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D66B85A3 = "C:\\Users\\Admin\\AppData\\Roaming\\D66B85A3\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4972-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3616	1608	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c42f49550b768d4ea206b87155f516fdd0690b889fb63fee2ea3772adbdffb18.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1608	winver.exe
1608	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1608	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4972 wrote to memory of 1608	4972	c42f49550b768d4ea206b87155f516fdd0690b889fb63fee2ea3772adbdffb18.exe	83
PID 4972 wrote to memory of 1608	4972	c42f49550b768d4ea206b87155f516fdd0690b889fb63fee2ea3772adbdffb18.exe	83
PID 4972 wrote to memory of 1608	4972	c42f49550b768d4ea206b87155f516fdd0690b889fb63fee2ea3772adbdffb18.exe	83
PID 4972 wrote to memory of 1608	4972	c42f49550b768d4ea206b87155f516fdd0690b889fb63fee2ea3772adbdffb18.exe	83
PID 1608 wrote to memory of 3504	1608	winver.exe	56
PID 1608 wrote to memory of 2548	1608	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2548

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3504
- C:\Users\Admin\AppData\Local\Temp\c42f49550b768d4ea206b87155f516fdd0690b889fb63fee2ea3772adbdffb18.exe
  "C:\Users\Admin\AppData\Local\Temp\c42f49550b768d4ea206b87155f516fdd0690b889fb63fee2ea3772adbdffb18.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4972
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1608
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 352
      4⤵
      Program crash
      PID:3616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 1608 -ip 1608
1⤵
PID:4048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1608-11-0x0000000002930000-0x0000000002936000-memory.dmp

Filesize
24KB

Download
memory/1608-14-0x0000000002930000-0x0000000002936000-memory.dmp

Filesize
24KB

Download
memory/1608-5-0x00000000771E2000-0x00000000771E3000-memory.dmp

Filesize
4KB

Download
memory/1608-7-0x00007FFCE3E10000-0x00007FFCE4005000-memory.dmp

Filesize
2.0MB

Download
memory/2548-13-0x0000000000CE0000-0x0000000000CE6000-memory.dmp

Filesize
24KB

Download
memory/3504-2-0x00000000009B0000-0x00000000009B6000-memory.dmp

Filesize
24KB

Download
memory/3504-3-0x00000000009B0000-0x00000000009B6000-memory.dmp

Filesize
24KB

Download
memory/3504-6-0x00007FFCE3EAD000-0x00007FFCE3EAE000-memory.dmp

Filesize
4KB

Download
memory/4972-4-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/4972-9-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/4972-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4972-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4972-1-0x0000000000640000-0x0000000000641000-memory.dmp

Filesize
4KB

Download